2.2.1 SmallText
Value: "SmallText" or one of the value names listed in the table in [MS-GPREG] section 3.2.5.1 specifying how the value is deleted.
Type: REG_SZ.
Size: Equal to size of the Data field.
Data: A variable-length null-terminated Unicode string. This setting specifies the user notification title displayed to the user.